Warp stop-motion.



fam@ M J. C. BROOKS.

WARP STQP MOTION.

APPLICATION FILED JUNE 6, 1911.

Patentedl Dec. 29, `1914:.

UNITED STATES PATENT OrrinOE.l

`JOHN c.. BROOKS, or PATEESON, 'New JERSEY, Assrenon rro DRAPER COMPANY,or HOPEDALE, MAssAcHUsE'r'rs A COEPORATIONOF MAINE.

s WAEP STOP-MOTION. 'y l Specification of Letters Patent. y PatentedDec. 2Q), 1914.

. `Appiica'ciou fue@ :une e, 1911. seria; 110.631,543.

To allwhomit ma Concern; l

Be it known t at I, JOHN C. BROoKs,a citizen of the United States,residing at Paterson, in the county of Passaic and State 5 of NewJersey,- have invented an I InprOvenient in VVarp Stolnlhlotionaoliwhich .the

following description, in connection with the' accompanying drawings,is' ab "specification,

v .like letters on. the drawings representing like parts. .Y v.,Theinv'ention :hereinafter described rey lates to Awarp stop motions`for'looms, and

" more `particularly to that type wherein a series of drop devices ordetectors are supported by theV warpmthreads, which, upon breakageOrfundue slackness of one or more of said threads, permit such dropdevices or' 'detectors to moveinto position for cdaction with suitablemeans for stopping the loom. 'This general type ofpwarp 'stop motionusu- Aally occupies a position between vthe warp beam and theshedding-mechanism, where the limited space precludes the use of a'largenlnber of ldrop 'devices or detectorsand as- 25 sociated parts oftheordinaryconstruction.'

In weaving certain classes of`fabrics, therefore, where a large number`of`...inewarp threads-'per unit of'width' are employed, the 'warp stopmotionfdevices Ofordinary constructionvbecome impractical-ble. Moreover,v l where the drop -devices or detectors of ordi nary construction arelmultiplied in two or, at most, threerows transversely of the loom andlcrowded together in anl .attempt to adapt such stopmotion for use inweaving j fine fabrics, the drop devices' fail to work properly andrnuch' lint or fluff is produced. Withthc above facts in view the aimsand purposes 'of the 'present invention are to pro- 10 vide a warp stopmotion of high capacity 'which shallovercome the diliicultie'sheretoforeexperienced'and be equally applicable for use in weaving thefiner' fabrics having a llarge number of warp threads'p'er vunit ofwidth or the coarser' fabrics having a vless number of such threads, andwherein the parts shall'be so related and contrived that i the dropdevices or detectors may be properly guided and supported, and all Huil,lint,

5G or 'dirt be readily eliminated; `all of which A will hereinafter morefully appear in con- :nection with the accompanying drawings of oneform. of means for carrying the invention lnto practicaleect, it beingunderstood that in its true scope the invention is defined by the claim.

Inthe drawings z-fFigure 1 is a side-elevation, of a portioriof a loomshowing the Warp stop 'motion of the present invention associatedtherewith, some of the parts being shown in section; Fig. 2 is anenlarged detail of one end of the stop motion devices; Fig. 3 is asection taken o n the line 3-3 oi Fig. 2; and Fig. 4,' is a top orplan'view of the parts lshown by Fig. 2', with portions broken away.

The loom frame 1 may be of any usual or desired character suitable forthe support of the loom parts. Rising from'the loom sides vare thestands 2 between the shedding devices or heddles V3 and the whip roll4.- over which the'warp threads 5 pass from the warp beam, said parts,as wellpalso as the lay 6, its actuating means and the shipperv 7connected to the loom starting and stopping devices, may be andare shownas of usual 'construction and' operation. i

Secured on the stands 2 at opposite' sides of the loom frame, as byAmeans of the bolts 9., `are the end supports 8, constituting one vformof end 'framing for the parts bof the warp stop motion'. vllxtendingtransversely of the loom and supported at the' upper portions of the endsupports 8, are the warp rods'lO, over which th'e warp threads 5 passand by which they are sustained. InA the present form of the inventioneach ofthe warp threads between the warp rods 10, Fig. 3, sustainsavdrop device "or detector ll and in order thatjthese maybe moreoonveniently and compactly assembled. they are preferably formed of wireshaped generally as indicated by Fig..3,-and having a. head portion Itoengagea warp thread and a tail or extended-portion for a purpose toherein-4 after appear.

Mounted on the end supports and extending transverselyof the loom arethe detector guides for maintaining the detectors in posi-- tion anddirecting them in their movements f, when permitted to'drop'by broken orunduly slack Warp threads.' In the illustrated form of the inventionlthese detectorguides comprise an upper, a lower, and an intermediatereti'eulated structure, the openings of which-may `berso closelyrelated, that re'- g'ardless of the number of Warp threads in vthefabric' per. unit of width-,"the required number of dropdevices ordetectors may be employed, 1t being only necessary to lnsert orremovedrop' devices or detectors to correspond'to the specialrequirements of each inments of the stop motion device. 4

The upper .detector guide comprises'- a framework'12'havingv securedthereto a se"- riesof-crosse'd 'Wires 13,` Fig,. 4, forming'- a wiremesh, )each of .the openings. of- `which dividual casewithoutdisorganizing the elesweaty Fig. avm

' lated` structure. Theupprfdetector"guide planear the' v'varprods 10,and a. S,QItmeanS f Y. t'thigfend, theend supports maybach be ftofwhich' the. upper-deteetorguide may'be' .'removab1y-secn-ed;'as bythe' sc'ew'devies is seeuredj'tjtheend supports ..8 below, kthe providedwith one for morelugs '14, Fig. 3,

i 15, Fig. 3 ,Y`orotherwisej. The intermediate asuitable,distancepbel/Qfthe up "guide-.to be engaged fthe lower detectorguide' ldmay be similarly formed, a5 V and supportedby lugs 17 rojectithe end-supports', and. isvipre erabl tail -portins'of the drop devicesor detectors when they are in'. normal position and-supported bythetautand unbroken warp threads. Fron'itheconstruction-thus fer describedit Willvbef seen that the reticulated nature of 4 theupper andintermediate detector guides.

fand the association therewith of the detectors in the manner stated,thata -sl'iflieiently largenumber of .such detectorsf may be employedtov provide for thel finest character of Y fabrics Woven; ythat thedetectors may be readily removed and replaced `Without dis- 1 organizingthejstop motion elements; that* 'i fluff, lint, and dirt may-be 'readilyremoved from' between thetvvo detector 'guides or from the surface ofeach.; and that -such cleaning'nayfbe 'facilitated by removing the 1upper guide and With yit the detectors.

.Mounted to Vslide back; and orthftrans- AvVerselyv of theloom belowthedetector guide 16 is the feeler 18', Figs. 3 and L1.W'hich may beconveniently `formed of aseries of. cross slatscarriedby afra-me119lslidably mounted-inguidesQO formedfin'or on-the end supports;8. The'eeler'lS'isnconnected at Of an am earning inem meer 'Shea '23mounted in the ends-2 4, Fig. ,2, of 'one 'ofthe end supports 8,r{-tl'1`e `Acons't ructionz being such if that uponl rocking movement oftheshaft '23 the arm 22 and perforee the feelerv '1 8i may be moved backandforth, .asWillfbeclearly understood bythose skilled iin the'v art,

. The rock shaft may be operatedfby-Jany' I 'Y suitable means, such thatupon obstruction to its rocking movement, as bythe end of a detectordropping in -front -of a s lat fthe zfeeler, said means will actuate`the shipper As suc'hnleansj-v -and 4their Yconnections with the shipperare and 'cause' loom stoppage` Well. lrnownlin the art, a'fullillustration thereof is not vhereinc leem'ed necessary, and

connections 7a2, 411,3, with --the co- -aictiivg'gineans between thesepartsand the isifully l exl -shpp jhandle, all of which p1'y ned-in saidpatent,

for 'detaily illust'ratimi and .de seription'of one, appropriate orm'oflsuch means, reference' 'had to the patent to Stimpson, No.

.G/, May?, 1901, as in said patentv the oper'ringsin the upper andintermediatede tectoryguides to cause its 'euch-after passing in.trontof oneof thev slats of thefeeler, to engage an opening in'- thellower detector guide, and be braced or sustained by said guide inarresting thefeeler.y n l .In awarp' stopmotion orlo'oms, the' combination of side supports, a feeler, two deles..

tector. guides disposed .in diierent'horizon;

tectors vnormally, lsuspended from .the-'Warp threads and vpassedthrough the openings -in both l,of f said guides with 'their' lowerends'- belowthe lower of said guides and immedi- 'talplanes, each formedof wire mesh mate'' -rial and supported by theside supports andadaptedto ,guide a multiplicit'yof Warp de 1 tectors,.the upperguide'being removably se @cured tofthesupp'orts, a seriesof warp deately-above and in unobstructed proXimity. i

to said -eeleigand a third detector guide i 125 formed 'of similar Wiremesh material and supportedy by said 'Side .supports immediately v.-belowsaid feelenwherebythe lower end of a dropped A- detector'fWillpass through' the feeler and o enings vsaid last mentioned lname tothisspecification, guide. and le held and braced' therein two subscribingwitnesses against pressure lof` the feeler and/cause i stoppage oithe-feeler and means actuated A 5 by thelstopping of the'feeler tostop'ithe Witnesses: y, loom. 4 l FRANK E. PELLETi-, lIn .testimonywhereof, I havevsigned my 1 MAIzng; Fox.

in the presence of

